MPM1D Date: Day 2: Solving Equations Multistep I Unit 3: Solving Equations 1 | Page CHECKING YOUR ANSWER Example: Frodo solve the following equation and found out that = −23 Check if his answer is right. 4 + 25 = 17 Determine if each of the following answers is right by checking. a) 2 + 9 = 16 = b) 3 − 1 = 13 = c) 5 − 2 = 18 + 4 = d) 4(2 + 3) = 10 + 6 = 3 e) 2−17 5 = 5+7 4 =1 Steps: 1. Write down the equation 2. Draw a vertical line where the equal sign is to make a T-chart 3. Sub the answer in for x 4. Solve each side separately to see if they are equal 5. If both sides are equal, the answer is RIGHT 6. If both sides are not equal, the answer is WRONG
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MPM1D Date:
Day 2: Solving Equations Multistep I Unit 3: Solving Equations
1 | P a g e
CHECKING YOUR ANSWER
Example: Frodo solve the following equation and found out that 𝑥 = −23
Check if his answer is right.
4𝑥 + 25 = 17
Determine if each of the following answers is right by checking.